Popular airlines from Norman Y. Mineta San Jose Intl. Airport (SJC) to Los Angeles - Ontario Intl. Airport (ONT)
Southwest AirlinesSouthwest Airlines
American AirlinesAmerican Airlines
Alaska AirlinesAlaska Airlines
DeltaDelta
UnitedUnited
Frontier AirlinesFrontier Airlines
Hawaiian AirlinesHawaiian Airlines
Today's featured flight deals from Norman Y. Mineta San Jose Intl. Airport (SJC) to Los Angeles - Ontario Intl. Airport (ONT)
- San Jose (SJC) to Ontario (ONT).Southwest Airlines, nonstop.Departing on Tue, Dec 23 at 9:55pm from San Jose, arriving at 11:10pm in Ontario.Returning on Mon, Dec 29 at 9:20pm from Ontario, arriving on Tue, Dec 30 at 7:50am in San Jose.Select Southwest Airlines flight departing on Tue, Dec 23 at 9:55pm from San Jose, returning on Mon, Dec 29 at 9:20pm from Ontario priced at $27955% less than typical$279
- San Jose (SJC) to Ontario (ONT).Southwest Airlines, nonstop.Departing on Wed, Nov 26 at 11:50am from San Jose, arriving at 1:05pm in Ontario.Returning on Mon, Dec 1 at 9:10pm from Ontario, arriving on Tue, Dec 2 at 8:05am in San Jose.Select Southwest Airlines flight departing on Wed, Nov 26 at 11:50am from San Jose, returning on Mon, Dec 1 at 9:10pm from Ontario priced at $46235% less than typical$462
- San Jose (SJC) to Ontario (ONT).Southwest Airlines, nonstop.Departing on Tue, Nov 25 at 5:25pm from San Jose, arriving at 6:40pm in Ontario.Returning on Mon, Dec 1 at 9:10pm from Ontario, arriving on Tue, Dec 2 at 8:05am in San Jose.Select Southwest Airlines flight departing on Tue, Nov 25 at 5:25pm from San Jose, returning on Mon, Dec 1 at 9:10pm from Ontario priced at $46230% less than typical$462
- San Jose (SJC) to Ontario (ONT).Southwest Airlines, nonstop.Departing on Fri, Nov 21 at 8:00am from San Jose, arriving at 9:15am in Ontario.Returning on Mon, Nov 24 at 2:20pm from Ontario, arriving at 10:55pm in San Jose.Select Southwest Airlines flight departing on Fri, Nov 21 at 8:00am from San Jose, returning on Mon, Nov 24 at 2:20pm from Ontario priced at $54525% less than typical$545
- San Jose (SJC) to Ontario (ONT).Southwest Airlines, nonstop.Departing on Fri, Nov 21 at 8:00am from San Jose, arriving at 9:15am in Ontario.Returning on Mon, Nov 24 at 3:40pm from Ontario, arriving at 9:55pm in San Jose.Select Southwest Airlines flight departing on Fri, Nov 21 at 8:00am from San Jose, returning on Mon, Nov 24 at 3:40pm from Ontario priced at $54525% less than typical$545
- San Jose (SJC) to Ontario (ONT).Southwest Airlines, nonstop.Departing on Tue, Nov 25 at 5:25pm from San Jose, arriving at 6:40pm in Ontario.Returning on Sun, Nov 30 at 7:25am from Ontario, arriving at 8:40am in San Jose.Select Southwest Airlines flight departing on Tue, Nov 25 at 5:25pm from San Jose, returning on Sun, Nov 30 at 7:25am from Ontario priced at $49820% less than typical$498
Cheap Flights from San Jose to Ontario (SJC-ONT)
Prices were available within the past 7 days and start at $55 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from San Jose (SJC) to Ontario (ONT)
September is typically the cheapest month to fly
Alternative airports near Ontario
Prices were available within the past 7 days. Prices and availability are subject to change.
Travel information
Origin airport | Norman Y. Mineta San Jose Intl. |
|---|---|
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United |
Roundtrip price | $110 |
Distance | 333 mi |
Average flight time | 1 hour 59 mins |
Book with confidence
San Jose to Ontario Flights
The cheapest times to fly from San Jose to Ontario
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Jose to Ontario are during the month of January. You can find some of the cheapest flights from San Jose to Ontario with Expedia's search tool and vast selection of airlines.
The best time to book a flight from San Jose to Ontario
Sunday is one of the best days to book for cheap flights from San Jose to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from San Jose to Ontario
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Jose to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $55 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Jose to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your San Jose to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
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